Satellite and Optical Communication BEC515D
Course Code: BEC515D
Credits: 03
CIE Marks: 50
SEE Marks: 50
Total Marks: 100
Exam Hours: 03
Total Hours of Pedagogy: 50H
Teaching Hours/Weeks: [L:T:P:S] 3:0:0:0
Satellite Orbits and Trajectories: Definition, Basic Principles, Orbital parameters, Injection velocity and satellite trajectory, Types of Satellite orbits, Orbital perturbations, Satellite stabilization, Orbital effects on satellite‘s performance, Eclipses, Look angles: Azimuth angle, Elevation angle.
Satellite subsystem: Power supply subsystem, Attitude and Orbit control, Tracking, Telemetry
and command subsystem, Payload.
Earth Station: Types of earth station, Architecture, Design considerations, Testing, Earth
station Hardware, Satellite tracking.
Communication Satellites: Introduction, Related Applications, Frequency Bands, Payloads, Satellite Vs. Terrestrial Networks, Satellite Telephony, Satellite Television, Satellite radio, Regional satellite Systems, National Satellite Systems.
Optical Fiber Structures: Optical Fiber Modes and Configurations, Mode theory for circular waveguides, Single mode fibers, Fiber materials. Attenuation and Dispersion: Attenuation, Absorption, Scattering Losses, Bending loss, Signal Dispersion: Modal delay, Group delay, Material dispersion.
Optical Sources and detectors: Light Emitting Diode: LED Structures, Light source materials,
Quantum efficiency and LED power, Laser Diodes: Modes and threshold conditions, Rate
equations, External quantum efficiency, Resonant frequencies, Photodetectors: The pin
Photodetector, Avalanche Photodiodes.
WDM Concepts: Overview of WDM, Isolators and Circulators, Fiber grating filters (No
derivation), Dielectric thin-film filters, Diffraction Gratings.